RT Journal Article SR Electronic T1 Helical computed tomography versus pulmonary arteriography in pulmonary embolism JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 373 OP 375 VO 45 IS 5 A1 Henteleff, Harry J.A. A1 Drover, John W. A1 , YR 2002 UL http://canjsurg.ca/content/45/5/373.abstract